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https://issues.apache.org/jira/browse/KAFKA-15345?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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José Armando García Sancio resolved KAFKA-15345.
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Resolution: Fixed
> KRaft leader should notify the listener only when it has read up to the
> leader's epoch
> --------------------------------------------------------------------------------------
>
> Key: KAFKA-15345
> URL: https://issues.apache.org/jira/browse/KAFKA-15345
> Project: Kafka
> Issue Type: Bug
> Reporter: José Armando García Sancio
> Assignee: José Armando García Sancio
> Priority: Major
> Fix For: 3.6.0
>
>
> In a non-empty log the KRaft leader only notifies the listener of leadership
> when it has read to the leader's epoch start offset. This guarantees that the
> leader epoch has been committed and that the listener has read all committed
> offset/records.
> Unfortunately, the KRaft leader doesn't do this when the log is empty. When
> the log is empty the listener is notified immediately when it has become
> leader. This makes the API inconsistent and harder to program against.
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